/*
包含多基于state的getter计算属性的对象
*/
export default {
  totalCount (state) {
    return state.cartFoods.reduce((preTotal, food) => preTotal + food.count, 0)
  },
  totalPrice (state) {
    return state.cartFoods.reduce((preTotal, food) => preTotal + food.count*food.price, 0)
  },

  positiveLength (state) {
    return state.shopRatings.reduce((preTotal, rating) => preTotal + (rating.rateType===0?1:0),0)
  }
}